198254562 has 32 divisors (see below), whose sum is σ = 434847744. Its totient is φ = 59758800.

The previous prime is 198254533. The next prime is 198254587. The reversal of 198254562 is 265452891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4743 + ... + 20469.

It is an arithmetic number, because the mean of its divisors is an integer number (13588992).

Almost surely, 2^198254562 is an apocalyptic number.

198254562 is an abundant number, since it is smaller than the sum of its proper divisors (236593182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198254562 is a wasteful number, since it uses less digits than its factorization.

198254562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15934.

The product of its digits is 172800, while the sum is 42.

The square root of 198254562 is about 14080.2898407668. The cubic root of 198254562 is about 583.0973439621.

The spelling of 198254562 in words is "one hundred ninety-eight million, two hundred fifty-four thousand, five hundred sixty-two".